Description

3,3,4,4,5,5,5-Heptafluoropentanoic Acid CAS NO 679-46-9 is a high-purity, perfluorinated carboxylic acid characterized by its strong acidity and excellent solubility in organic solvents. This compound is a critical building block and intermediate in advanced chemical synthesis, valued for its ability to introduce fluorinated moieties and modify surface properties. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require precise fluorination to develop novel compounds with enhanced stability and performance.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing fluorine atoms to improve metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in creating advanced herbicides, pesticides, and fungicides where fluorination enhances activity and environmental persistence.
• Fluorinated Surfactant & Polymer Production: Serves as a monomer or modifier for manufacturing high-performance fluorosurfactants, coatings, and polymers with oil, water, and stain repellency.
• Organic Synthesis Reagent: Acts as a strong acid catalyst or a versatile building block in organic reactions, including esterifications and condensations.
• Electronics & Semiconductor Industry: Employed in the formulation of etching agents and cleaning solutions for silicon wafers and electronic components.
• Liquid Crystal & Display Material: Used in the synthesis of fluorinated liquid crystals for high-performance displays.
• Analytical Chemistry: Can be used as a derivatization agent or standard in chromatographic analysis (GC, HPLC).
• Research & Development: Fundamental reagent for academic and industrial R&D exploring new fluorinated compounds and materials science.

Basic Information

Item	Details
Product Name	3,3,4,4,5,5,5-Heptafluoropentanoic Acid
CAS No.	679-46-9
Molecular Formula	C5H3F7O2
Molecular Weight	228.07 g/mol
Synonyms	Heptafluoropentanoic Acid; Perfluoropentanoic Acid; PFPeA; Pentafluoropropionic Acid, Trifluoromethyl Derivative; 3,3,4,4,5,5,5-Heptafluorovaleric Acid; 2,2,3,3,4,4,4-Heptafluorobutane-1-carboxylic Acid; Perfluorovaleric Acid; 679-46-9
EINECS	211-685-8

Quality Control

Our 3,3,4,4,5,5,5-Heptafluoropentanoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing specific results for identity, assay, and impurity profiles are provided with every shipment to guarantee supply reliability and product integrity for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents. Use appropriate corrosion-resistant storage equipment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.300 - 1.320
Density (20°C)	1.60 - 1.70 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.